Cita APA (7a ed.)

Clabby, J. F. (2007). Brigadier John Tiltman: A giant among cryptanalysts. Center for Cryptologic History, National Security Agency.

Cita Chicago Style (17a ed.)

Clabby, John F. Brigadier John Tiltman: A Giant Among Cryptanalysts. Fort George G. Meade, Md.: Center for Cryptologic History, National Security Agency, 2007.

Cita MLA (8a ed.)

Clabby, John F. Brigadier John Tiltman: A Giant Among Cryptanalysts. Center for Cryptologic History, National Security Agency, 2007.